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TI-2019-10421 Aliases CVE-2019-13972GHSA-q859-prqf-vpr3

LayerBB 1.1.3 allows XSS via the application/commands/new.php pm_title variable, a related issue to CVE-2019-17997.

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

LayerBB 1.1.3 allows XSS via the application/commands/new.php pm_title variable, a related issue to CVE-2019-17997.

Why it matters now

EPSS 0.00865 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:layerbb:layerbb:1.1.3:*:*:*:*:*:*:*1.1.3VulnerableLayerBB
  • cpe:2.3:a:layerbb:layerbb:1.1.3:*:*:*:*:*:*:* Versions 1.1.3 Vulnerable ·LayerBB

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-13972
  2. 2026-10-03 Alias added: GHSA-q859-prqf-vpr3

References

  • TI-2019-10422 LayerBB 1.1.3 allows admin/general.php arbitrary file upload because the custom_logo… CVSS 3.0CRITICAL 9.8
  • TI-2018-12807 LayerBB 1.1.1 and 1.1.3 has SQL Injection via the search.php search_query parameter. CVSS 3.1CRITICAL 9.8
  • TI-2019-12394 LayerBB before 1.1.4 has multiple CSRF issues, as demonstrated by changing the System Settings via admin/general.php. CVSS 3.1HIGH 8.8
  • TI-2019-10423 LayerBB 1.1.3 allows conversations.php/cmd/new CSRF. CVSS 3.0HIGH 8.8
  • TI-2018-12810 LayerBB before 1.1.3 allows CSRF for adding a user via admin/new_user.php, deleting a… CVSS 3.0MEDIUM 6.5
  • TI-2018-12811 LayerBB 1.1.1 allows XSS via the titles of conversations (PMs). CVSS 3.0MEDIUM 6.1

Sources